What will Shimano's 11-speed drivetrains mean for retailers?

BR&IN's tech editor Matt Wiebe's been roaming the Taichung Bike Week, cornering folks and pulling information out of them regarding Shimano's forth-coming 11-speed road groups.

Whether you are a friction-shifting retro-grouch (like Matt) or an undertrained, over-equipped yuppie (like the new web editor), you are sure to have an opinion on the extra cog.

But our question is: what challenges will Shimano's first post-decimal drivetrain pose for retailers and suppliers? We'd love to hear about it.
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